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Authors
Laimoud, Mohamed
Ahmed, Walid
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Article History
Received: 14 January 2020
Accepted: 20 March 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: The study was approved by the Ethical Committee of King Faisal Specialist Hospital and Research Center and got a reference number 2191042. The ethical committee exempted the study from a specific consent, being a retrospective analytic study that reveals no identifiable private information.
: Not applicable
: The authors declare that they have no competing interests.
